Zaffiri Precision Upper Parts Kit for Glock 17/34 Gen 5

The Zaffiri Precision Upper Parts Kit provides all the small internal components needed to complete a Glock 17 or 34 Gen 5 slide assembly. This kit is essential for builders working with aftermarket slides or replacing worn factory parts. It includes the firing pin, firing pin safety, extractor, extractor depressor plunger, spring-loaded bearing, firing pin channel liner, and all associated springs—everything required to make your slide assembly functional.

Manufactured to OEM specifications with quality materials and finishes that meet or exceed factory standards. All components are drop-in replacements requiring no fitting or modification. This kit allows you to complete a custom build or refresh an existing pistol without sourcing individual parts separately.

• Part Type: Upper Parts Kit
• Compatible Firearms: Glock 17 Gen 5, Glock 34 Gen 5
• Material: Steel components with factory-spec springs
• Finish: Black oxide on metal parts
• Installation: Drop-in (basic disassembly/reassembly knowledge required)
• Includes: Firing pin, firing pin safety, extractor, extractor depressor plunger, spring-loaded bearing, firing pin channel liner, and all springs